Home / 998,538-1,497,807-333,690

Finding the Fourth Proportional to 998,538, 1,497,807 and 333,690

Calculator

Solution

The fourth proportional to 998,538, 1,497,807 and 333,690 is: 500,535

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,538 : 1,497,807 = 333,690 : x
  2. Step 2: Convert to fraction form
    998,538/1,497,807 = 333,690/x
  3. Step 3: Cross multiply
    998,538x = 1,497,807 × 333,690
  4. Step 4: Simplify right side
    998,538x = 499,803,217,830
  5. Step 5: Solve for x
    x = 499,803,217,830/998,538
  6. Step 6: Final answer
    x = 500,535

Related Problems

Find fourth proportional to 499,269, 748,903.50 and 166,845
Half scale
Find fourth proportional to 1,997,076, 2,995,614 and 667,380
Double scale
Find fourth proportional to 998,539, 1,497,808.50 and 333,691
Similar ratio
Find fourth proportional to 1,497,807, 2,246,710.50 and 500,535
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.